diff --git a/lib/Doctrine/ORM/Query/SqlWalker.php b/lib/Doctrine/ORM/Query/SqlWalker.php
index 7164f441f..10e294a7a 100644
--- a/lib/Doctrine/ORM/Query/SqlWalker.php
+++ b/lib/Doctrine/ORM/Query/SqlWalker.php
@@ -1968,7 +1968,7 @@ class SqlWalker implements TreeWalker
                     $this->parserResult->addParameterMapping($dqlParamKey, $this->sqlParamIndex++);
                 }
 
-                $sqlParts[] = $targetTableAlias . '.' . $targetColumnName . ' = ' . $entitySql;
+                $sqlParts[] = $targetTableAlias . '.' . $targetColumnName . ' IN (' . $entitySql . ')';
             }
 
             $sql .= implode(' AND ', $sqlParts);
diff --git a/tests/Doctrine/Tests/ORM/Query/SelectSqlGenerationTest.php b/tests/Doctrine/Tests/ORM/Query/SelectSqlGenerationTest.php
index 207f37a69..33b414b6c 100644
--- a/tests/Doctrine/Tests/ORM/Query/SelectSqlGenerationTest.php
+++ b/tests/Doctrine/Tests/ORM/Query/SelectSqlGenerationTest.php
@@ -623,7 +623,7 @@ class SelectSqlGenerationTest extends \Doctrine\Tests\OrmTestCase
         $q->setParameter('param', $group);
 
         $this->assertEquals(
-            'SELECT c0_.id AS id_0 FROM cms_users c0_ WHERE EXISTS (SELECT 1 FROM cms_users_groups c1_ INNER JOIN cms_groups c2_ ON c1_.group_id = c2_.id WHERE c1_.user_id = c0_.id AND c2_.id = ?)',
+            'SELECT c0_.id AS id_0 FROM cms_users c0_ WHERE EXISTS (SELECT 1 FROM cms_users_groups c1_ INNER JOIN cms_groups c2_ ON c1_.group_id = c2_.id WHERE c1_.user_id = c0_.id AND c2_.id IN (?))',
             $q->getSql()
         );
     }
@@ -637,7 +637,7 @@ class SelectSqlGenerationTest extends \Doctrine\Tests\OrmTestCase
         $this->_em->getClassMetadata(get_class($person))->setIdentifierValues($person, array('id' => 101));
         $q->setParameter('param', $person);
         $this->assertEquals(
-            'SELECT c0_.id AS id_0, c0_.name AS name_1, c1_.title AS title_2, c2_.salary AS salary_3, c2_.department AS department_4, c2_.startDate AS startDate_5, c0_.discr AS discr_6, c0_.spouse_id AS spouse_id_7, c1_.car_id AS car_id_8 FROM company_persons c0_ LEFT JOIN company_managers c1_ ON c0_.id = c1_.id LEFT JOIN company_employees c2_ ON c0_.id = c2_.id WHERE EXISTS (SELECT 1 FROM company_persons_friends c3_ INNER JOIN company_persons c4_ ON c3_.friend_id = c4_.id WHERE c3_.person_id = c0_.id AND c4_.id = ?)',
+            'SELECT c0_.id AS id_0, c0_.name AS name_1, c1_.title AS title_2, c2_.salary AS salary_3, c2_.department AS department_4, c2_.startDate AS startDate_5, c0_.discr AS discr_6, c0_.spouse_id AS spouse_id_7, c1_.car_id AS car_id_8 FROM company_persons c0_ LEFT JOIN company_managers c1_ ON c0_.id = c1_.id LEFT JOIN company_employees c2_ ON c0_.id = c2_.id WHERE EXISTS (SELECT 1 FROM company_persons_friends c3_ INNER JOIN company_persons c4_ ON c3_.friend_id = c4_.id WHERE c3_.person_id = c0_.id AND c4_.id IN (?))',
             $q->getSql()
         );
     }
@@ -648,7 +648,7 @@ class SelectSqlGenerationTest extends \Doctrine\Tests\OrmTestCase
         $q = $this->_em->createQuery('SELECT u.id FROM Doctrine\Tests\Models\CMS\CmsUser u WHERE u.email MEMBER OF u.groups');
 
         $this->assertEquals(
-            'SELECT c0_.id AS id_0 FROM cms_users c0_ WHERE EXISTS (SELECT 1 FROM cms_users_groups c1_ INNER JOIN cms_groups c2_ ON c1_.group_id = c2_.id WHERE c1_.user_id = c0_.id AND c2_.id = c0_.email_id)',
+            'SELECT c0_.id AS id_0 FROM cms_users c0_ WHERE EXISTS (SELECT 1 FROM cms_users_groups c1_ INNER JOIN cms_groups c2_ ON c1_.group_id = c2_.id WHERE c1_.user_id = c0_.id AND c2_.id IN (c0_.email_id))',
             $q->getSql()
         );
     }
@@ -659,7 +659,7 @@ class SelectSqlGenerationTest extends \Doctrine\Tests\OrmTestCase
         $q = $this->_em->createQuery('SELECT u.id FROM Doctrine\Tests\Models\CMS\CmsUser u WHERE u MEMBER OF u.groups');
 
         $this->assertEquals(
-            'SELECT c0_.id AS id_0 FROM cms_users c0_ WHERE EXISTS (SELECT 1 FROM cms_users_groups c1_ INNER JOIN cms_groups c2_ ON c1_.group_id = c2_.id WHERE c1_.user_id = c0_.id AND c2_.id = c0_.id)',
+            'SELECT c0_.id AS id_0 FROM cms_users c0_ WHERE EXISTS (SELECT 1 FROM cms_users_groups c1_ INNER JOIN cms_groups c2_ ON c1_.group_id = c2_.id WHERE c1_.user_id = c0_.id AND c2_.id IN (c0_.id))',
             $q->getSql()
         );
     }